SWDM240B OPERATION & MAINTENANCE MANUAL
7.2 REGULAR MAINTENANCE
After used for a long time, the rotary drilling rig may abrade and loosen, and severe working
condition may make the machine condition even worse. Thus, regular check, service and
maintenance can reduce machine failure, extend the service life, shorten the stoppage time and
improve work efficiency, making the machine in the best condition.
7.2.1 Lubrication Maintenance Chart
Main lubrication and maintenance of SWDM240B rotary drilling rig is as FIG. 7-2-1,
lubricating points illustration, in which show main lubrication positions, lubricating interval and
oil replacement interval. Lubricating oil, please refer to table 7-2-1.
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